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C69400 Brass vs. S20910 Stainless Steel

C69400 brass belongs to the copper alloys classification, while S20910 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C69400 brass and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
14 to 39
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
79
Shear Strength, MPa 350
500 to 570
Tensile Strength: Ultimate (UTS), MPa 570
780 to 940
Tensile Strength: Yield (Proof), MPa 270
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 170
1080
Melting Completion (Liquidus), °C 920
1420
Melting Onset (Solidus), °C 820
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 26
13
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 27
22
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.8
Embodied Energy, MJ/kg 44
68
Embodied Water, L/kg 300
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 340
460 to 1640
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19
28 to 33
Strength to Weight: Bending, points 18
24 to 27
Thermal Diffusivity, mm2/s 7.7
3.6
Thermal Shock Resistance, points 20
17 to 21

Alloy Composition

Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
20.5 to 23.5
Copper (Cu), % 80 to 83
0
Iron (Fe), % 0 to 0.2
52.1 to 62.1
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0 to 0.5
0